Potato-digger



(No Model.)

' G. 1/1. CLARK.

PoTATo BIGGER.

No. 363,117, Patented May 1'7, 1887.

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UNITED Starts :PATENT PoTATom'DleGER.

SPECIFICATION forming part of Letters Patent No. 363,117, dated May 17,1887.

Application filed April 1l, 1F86,

Serial No. 101.781. (No model.)

To a/ZZ whom it may concer-n.:

Be it known that 1, GEORGE M. CLARK, of Higgannm, in the county ofMiddlesex and State of Connecticut, have invented a certain new anduseful Improvement Applicable to Potato-Diggers, of which the following`is a description, reference being had to the accompanying drawings,where` Figure l is a View of a potato-digger entire. Fig. 2 is a detailview showing two of the rearwardl y-extending thigers,hereinal'ter nienAtioned, also the blade and cleat to which they are attached, suoli bladeand cleat being cut in vertical section. Fig. 3 is a detail view showingaportion of the upper face of the said cleat, and also a portion ot' oneof the rearwardly-extending lingers.

This potato-digging device may be attached to a cnltivator-frame, whichcnltivatorl` rame is shown in the drawings; but as there is no necessityfor any detailed description of it, none will be given.

The letters c a. denote parts of a cultivatorframe, and I willlescrhcianw the potatodigging parts are attached thereto.

rlhe letters b b denote two small plows,which in the use of the tool areto go one upon each side of rows of potatoes which are to be dug, andthey are so set as to tnrn the dirt away from the potatoes.

The letter c denotes a horizontal blade extending between the plows bI), and its oi'liceis to run beneath the potatoes and lift them and thesurrounding dirt from their restiiigplace.

The plows b and the bladecare all attached to the standards d d theplows to the outsides and the blades to the insides of the standards,which standards are so attached to the parts a a as to give the plowsand blade a Vertical adjustment with reference thereto; and to this endthe standards are pivot-ally attached to the parts o, a by bolts c,which act as pivots. The front ends o the standards d are provided witha series of holes, d', or an equivalent slot, through which, and alsothrough the parts a, runs a bolt, c', by means of which the plows andthe blade can be secured at any desired point in their said verticaladjustment.

From the rear side of the blade c extends two series ol' lingers. Theseries/'lie in one plane and the series f lie in another plane. TheIingers ol'seriesf alternate with the iingcrsf in the points oftheirattaclnncnt to the blade. By locating these fingers in two seriesin this manner the delivery of dirt and stones is greatly accelerated.All of these fingers are attached tothe blade in the same manner, andthat a peculiar manner. The front ent of each linger has an enlargement,f. These fingers arc all clamped to the blade c by the cleat g, drawntoward the blade by appropriate bolts or screws. This cleat is providedon the npper side with lugs 71., which extend from linger to finger inrear of the enlargements f thereby preventing the lingers l'roni beingdrawn rearwardly out ot' place.

I claim as my improvement-- In combination, in a potato-digger, theframe-bars a, standards d, pivoted to framebars at o, bolt-holes d',bolt t", plows b, attached to ontsidcs of standards, and blade c,attached to insides of standards and provided with rear lingers, f, allsubstantially as de scribed, and l'or the purpose set forth.

' GEORGE lil.. CLARK.

Vitnesscs:

A. C. TANNER, H. R. WILLLmts.

